drool|drooled|drooling

宝宝长牙时流了很多口水。

The baby had a lot of ___drool while teething.

狗狗看到食物时兴奋得直流口水。

The dog ___drooled excitedly when it saw the food.

看那只狗对着食物流口水。

Look at that dog ___drooling over the food.